The Doppler Effect and Sonic Booms

Sound barrier

Thrust SSC (SuperSonic Car)

Thrust SSC -over the sound barrier ! Video

Supersonic car targets 1,000mph

X-34A Hypersonic Plane - Mach 10 - 10,600 kilometers per hour

Supersonic transport

Congress Shoots Down Hypersonic Plane

SR-71 Blackbird